Systém PPG I (Czech Wikipedia)

Analysis of information sources in references of the Wikipedia article "Systém PPG I" in Czech language version.

Last modified:

Ref.Un. Ref.Website
Global rank Czech rank
2nd place
4th place
4th place
2nd place
150th place
67th place
96th place
98th place
9,868th place
low place
low place
low place
1,550th place
594th place
low place
low place

doi.org (Global: 2nd place; Czech: 4th place)

iapt-taxon.org (Global: 9,868th place; Czech: low place)

iaptglobal.org (Global: low place; Czech: low place)

oxfordjournals.org (Global: 1,550th place; Czech: 594th place)

aob.oxfordjournals.org

  • MAARTEN J. M. CHRISTENHUSZ; MARK W. CHASE. Trends and concepts in fern classification. S. 571–594. Annals of Botany [online]. 13. únor 2014. Svazek 113, čís. 4, s. 571–594. Dostupné online. ISSN 1095-8290. doi:10.1093/aob/mct299. (anglicky)

pteridogroup.github.io (Global: low place; Czech: low place)

  • Pteridophyte Phylogeny Group. Pteridophyte Phylogeny Group on GitHub: PPG Taxonomy [online]. [cit. 2025-09-23]. Kapitola Classification (IN PROGRESS). Dostupné online. (anglicky)

researchgate.net (Global: 96th place; Czech: 98th place)

  • SCHNEIDER, Harald, et al. (The Pteridophyte Phylogeny Group). A community-derived classification for extant lycophytes and ferns. S. 563–603. Journal of Systematics and Evolution [online]. Institute of Botany, Chinese Academy of Sciences & John Wiley & Sons, Inc., 7. listopad 2016 [cit. 2020-10-20]. Svazek 54, čís. 6, s. 563–603. Dostupné online. Také dostupné. ISSN 1759-6831. doi:10.1111/jse.12229. (anglicky)
  • CHRISTENHUSZ, Maarten J.M.; CHASE, Mark W. PPG recognises too many fern genera. S. 481–487. Taxon [online]. John Wiley & Sons, Inc., 6. červen 2018 [cit. 2020-10-21]. Svazek 67, čís. 3, s. 481–487. Dostupné online. Také dostupné. ISSN 1996-8175. doi:10.12705/673.2. (anglicky)

wiley.com (Global: 150th place; Czech: 67th place)

onlinelibrary.wiley.com

  • SCHNEIDER, Harald, et al. (The Pteridophyte Phylogeny Group). A community-derived classification for extant lycophytes and ferns. S. 563–603. Journal of Systematics and Evolution [online]. Institute of Botany, Chinese Academy of Sciences & John Wiley & Sons, Inc., 7. listopad 2016 [cit. 2020-10-20]. Svazek 54, čís. 6, s. 563–603. Dostupné online. Také dostupné. ISSN 1759-6831. doi:10.1111/jse.12229. (anglicky)
  • CHRISTENHUSZ, Maarten J.M.; CHASE, Mark W. PPG recognises too many fern genera. S. 481–487. Taxon [online]. John Wiley & Sons, Inc., 6. červen 2018 [cit. 2020-10-21]. Svazek 67, čís. 3, s. 481–487. Dostupné online. Také dostupné. ISSN 1996-8175. doi:10.12705/673.2. (anglicky)
  • Liang Zhang, et al. Evolutionary relationships of the ancient fern lineage the adder's tongues (Ophioglossaceae) with description of Sahashia gen. nov. S. 380–393. Cladistics [online]. John Wiley & Sons, Inc., 17. leden 2020 [cit. 2020-10-20]. Svazek 36, čís. 4, s. 380–393. Dostupné online. ISSN 1096-0031. doi:10.1111/cla.12408. (anglicky)

worldcat.org (Global: 4th place; Czech: 2nd place)

  • SCHNEIDER, Harald, et al. (The Pteridophyte Phylogeny Group). A community-derived classification for extant lycophytes and ferns. S. 563–603. Journal of Systematics and Evolution [online]. Institute of Botany, Chinese Academy of Sciences & John Wiley & Sons, Inc., 7. listopad 2016 [cit. 2020-10-20]. Svazek 54, čís. 6, s. 563–603. Dostupné online. Také dostupné. ISSN 1759-6831. doi:10.1111/jse.12229. (anglicky)
  • MAARTEN J. M. CHRISTENHUSZ; MARK W. CHASE. Trends and concepts in fern classification. S. 571–594. Annals of Botany [online]. 13. únor 2014. Svazek 113, čís. 4, s. 571–594. Dostupné online. ISSN 1095-8290. doi:10.1093/aob/mct299. (anglicky)
  • CHRISTENHUSZ, Maarten J.M.; CHASE, Mark W. PPG recognises too many fern genera. S. 481–487. Taxon [online]. John Wiley & Sons, Inc., 6. červen 2018 [cit. 2020-10-21]. Svazek 67, čís. 3, s. 481–487. Dostupné online. Také dostupné. ISSN 1996-8175. doi:10.12705/673.2. (anglicky)
  • Liang Zhang, et al. Evolutionary relationships of the ancient fern lineage the adder's tongues (Ophioglossaceae) with description of Sahashia gen. nov. S. 380–393. Cladistics [online]. John Wiley & Sons, Inc., 17. leden 2020 [cit. 2020-10-20]. Svazek 36, čís. 4, s. 380–393. Dostupné online. ISSN 1096-0031. doi:10.1111/cla.12408. (anglicky)